Integer Operations and Models

• -4 x 4 = -16
• 16 ÷ -4 = -4
• -4 x -4 = -16
• -16 ÷ -4 = -4

Tags

CCSS.7.NS.A.1B

• -4
• 10
• 3
• 4

Tags

CCSS.7.NS.A.1C

• 1
• -1
• 7
• -7

Tags

CCSS.7.NS.A.1C

• (-10) - 10 = -20
• (-10) + 10 = 0
• (-20) + 0 = -20
• 10 - 10 = 0

Tags

CCSS.7.NS.A.1B

Jason stopped at the grocery store on his way home from work. He used his debit card to purchase 2 salads for $7 each, 3 bottles of soda for $2 each, and a sandwich for $8. The change in the balance of Jason's checking account is represented by the expression below. What integer represents the change in the balance of Jason's checking account?

Mathematical Equivalence

ON

Tags

CCSS.7.NS.A.3

If I am subtracting integers, I need to change the problem to addition by ​ ​ (a)   ​ the ​ (b)   ​

• opposite

• subtracting

• same sign

• adding

Tags

CCSS.7.NS.A.1C

Match the following

• 1

• 10 - 9

• -8

• -7 + (-1)

• -4

• -4 - (-6)

• 2

• 8 - (-5)

• 13

• 1 - 5

Tags

CCSS.7.NS.A.1C

The price of jeans was reduced $6 per week for 7 weeks.  By how much did the price of the jeans change over the 7 weeks?

• 42

• -42

• 20

• -20

Tags

CCSS.7.NS.A.3

Match the following with the correct operation and sign of the answer.

• subtract, positive

• -717 + 927

• subtract, negative

• -1239 + 904

• add, positive

• 3 + 5

• add, negative

• -762 + (-481)

Tags

CCSS.7.NS.A.1D

A submarine is submerged at 20 feet below the surface. The submarine is now  descending at a rate of 120 feet per minute. Which integer represents the position of the submarine after 3 minutes?

• • -20 feet below the surface

• -380 feet below the surface

• -360 feet below the surface

Tags

CCSS.7.NS.A.3